Korean translation. new version

Version 1

    Hello Spark administrator.


    I'd like to using it. but korean translation didn't exsist.

    So. I translate it .


    Next verson , Maybe 2.6.0 just commit the this resources. It almostly helpful to all of korean developers I think.


    Thank you for administrate this source.


    If I find a bug and Issue. and I fix it. I will suggest you next time.


    thanks and always providence to you.